NXP USA Inc.
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
MMA7260QR2
詳情 數據表

MMA7260QR2

Introduction

The MMA7260QR2 is a versatile accelerometer sensor designed for various applications. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Product Overview

Category

The MMA7260QR2 belongs to the category of accelerometers, specifically designed for measuring acceleration in various electronic devices.

Use

This sensor is commonly used in applications such as tilt sensing, motion detection, vibration monitoring, and orientation detection in consumer electronics, automotive systems, industrial equipment, and more.

Characteristics

  • Triple-axis accelerometer
  • Low power consumption
  • Wide measurement range
  • Small form factor
  • High sensitivity

Package

The MMA7260QR2 is typically available in a small, surface-mount package, making it suitable for integration into compact electronic designs.

Essence

The essence of the MMA7260QR2 lies in its ability to accurately measure acceleration along three axes, providing crucial data for motion and orientation-based applications.

Packaging/Quantity

The sensor is usually supplied in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Measurement Range: ±1.5g, ±2g, ±4g, ±6g (selectable)
  • Sensitivity: 800 mV/g at 1.5g range
  • Operating Voltage: 2.2V to 3.6V
  • Output: Analog voltage proportional to acceleration
  • Operating Temperature: -40°C to +85°C
  • Dimensions: 5mm x 5mm x 1.2mm

Detailed Pin Configuration

The MMA7260QR2 features a standard pinout configuration, with pins designated for power supply, ground, and analog output for each axis.

| Pin Name | Description | |----------|-------------------| | Vcc | Power Supply (2.2V to 3.6V) | | GND | Ground | | XOUT | X-Axis Analog Output | | YOUT | Y-Axis Analog Output | | ZOUT | Z-Axis Analog Output |

Functional Features

  • Triple-axis sensing
  • Selectable measurement ranges
  • Low power consumption
  • Built-in self-test function
  • Robust design for shock and vibration resistance

Advantages and Disadvantages

Advantages

  • Accurate and reliable measurement
  • Low power consumption
  • Small form factor
  • Wide operating temperature range

Disadvantages

  • Requires external signal conditioning for precise measurements
  • Limited to specific measurement ranges

Working Principles

The MMA7260QR2 operates based on the principle of capacitive sensing, where changes in capacitance due to acceleration are converted into analog voltage outputs. These outputs are then processed to determine the magnitude and direction of the applied acceleration.

Detailed Application Field Plans

Consumer Electronics

  • Motion-controlled gaming devices
  • Smartphones and tablets for screen orientation
  • Wearable fitness trackers for activity monitoring

Automotive Systems

  • Vehicle stability control systems
  • Impact detection for airbag deployment
  • Inclination sensing for vehicle navigation systems

Industrial Equipment

  • Vibration monitoring in machinery
  • Tilt sensing for industrial robots
  • Orientation detection in aerospace applications

Detailed and Complete Alternative Models

  • ADXL335
  • LIS3LV02DQ
  • KXTC9

In conclusion, the MMA7260QR2 accelerometer sensor offers a compact and reliable solution for measuring acceleration in various electronic applications. Its triple-axis sensing, wide measurement range, and low power consumption make it a preferred choice for designers seeking accurate motion and orientation detection capabilities.

Word Count: 610

10個與MMA7260QR2在技術方案中應用相關的常見問題與解答

  1. What is the MMA7260QR2?

    • The MMA7260QR2 is a three-axis low-g accelerometer that can be used to measure acceleration in technical solutions.

  2. What are the key features of the MMA7260QR2?

    • The key features include a range of ±1.5g, low power consumption, and a small form factor suitable for integration into various applications.

  3. How is the MMA7260QR2 typically interfaced with microcontrollers?

    • The MMA7260QR2 can be interfaced with microcontrollers using analog voltage outputs or through an analog-to-digital converter (ADC) for digital processing.

  4. What are some common applications of the MMA7260QR2?

    • Common applications include tilt sensing, motion detection, vibration monitoring, and impact detection in devices such as gaming controllers, wearable devices, and industrial equipment.

  5. What are the recommended operating conditions for the MMA7260QR2?

    • The MMA7260QR2 operates within a specified temperature range and requires a stable power supply within a certain voltage range for optimal performance.

  6. How can the sensitivity of the MMA7260QR2 be adjusted?

    • The sensitivity of the MMA7260QR2 can be adjusted by configuring the appropriate external resistors as per the datasheet recommendations.

  7. What are the typical output signals of the MMA7260QR2?

    • The MMA7260QR2 provides analog voltage outputs proportional to the acceleration along each axis.

  8. Are there any special considerations for PCB layout when integrating the MMA7260QR2?

    • Yes, proper grounding, decoupling capacitors, and minimizing noise sources are important for achieving accurate measurements.

  9. Can the MMA7260QR2 be used in battery-powered applications?

    • Yes, the low power consumption of the MMA7260QR2 makes it suitable for battery-powered applications, provided that power management is carefully considered.

  10. What are the potential challenges when using the MMA7260QR2 in technical solutions?

    • Challenges may include calibration for accurate measurements, noise filtering, and ensuring mechanical stability for reliable operation.